Spells:

Ghost

Exhaust

Ability Order

Introduction

Singed is a Tanky/AP champion thats just plain awesome! His role is to pick out isolated targets and fling them back to your team and with this build you cant run away or kill him because he does a ton of dmg and has about 3,5k hp

Runes

You should have these runes because then you will be able to get an easy kill fast with fling and poison trail. You also have mana reg' so you wont have to worry about that either.

Pros / Cons

PROS:
1.Lots of HP
2.High movement speed
3.Can escape ganks
4.awesome ganker
5.Can dive under turretsCONS
1.That he is targeted fast
2.He often has to engage a fight with his fling
3.He is hard to play if you're not used to LoL

Farming

Use your poison trail as much as you can for farming!!
Run around the creeps and poison them and/or last hit them for ensured minion kills

Summoner Spells

You can use other spells like cleanse or clarity
Spells not for you:Smite and Rally because singed is hard to jungle with and rally is not just for him...